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period particle concentration AQI classification       
current pm_2p5 4.9143 ug/m3 20.5 Good Air Quality
     
current pm_10 5.0857 ug/m3 4.7 Good Air Quality
     
_1_hour pm_2p5 4.8169 ug/m3 20.1 Good Air Quality
     
_1_hour pm_10 5.9206 ug/m3 5.5 Good Air Quality
     
_3_hour pm_2p5 4.8598 ug/m3 20.2 Good Air Quality
     
_3_hour pm_10 6.123 ug/m3 5.7 Good Air Quality
     
_24_hour pm_2p5 4.4807 ug/m3 18.7 Good Air Quality
     
_24_hour pm_10 5.6544 ug/m3 5.2 Good Air Quality
     
     

classification AQI pm10 pm2.5 The health effects should be based on 24 hours average values only.
Good Air Quality 0-50 < 54 μg/m3 < 12 μg/m3 Air quality is considered satisfactory, and air pollution poses little or no risk
Moderate Air Quality 50-100 < 154 μg/m3 < 35.4 μg/m3 Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
Unhealthy for some 100-150 < 254 μg/m3 < 55.4 μg/m3 Members of sensitive groups may experience health effects. The general public is not likely to be affected.
Unhealthy Air Quality 150-200 < 354 μg/m3 < 150.4 μg/m3 Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects.
Very Unhealthy 200-300 < 424 μg/m3 < 250.4 μg/m3 Health alert: everyone may experience more serious health effects
Hazardous Air Quality > 300 > 424 μg/m3 > 250.4 μg/m3 Health warnings of emergency conditions. The entire population is more likely to be affected
 More information:  EPA  Air Quality Index     Davis sensor  Sensor data captured at: 13-09-2026 04:15  Temperature: 16.1°C Humidity: 92.4% Dewpoint: 14.9°C